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Rei Fujiki,1,2 Tomotaka Kawayama,2 Kyoji Furukawa,3 Takashi Kinoshita,2 Kazuko Matsunaga,2 Tomoaki Hoshino2 1Fujiki Medical and Surgical Clinic, Miyazaki, Japan; 2Division of Respirology, Neurology, and Rheumatology, Department of Medicine, Kurume University School of Medicine, Kurume, Japan; 3Biostatistics Center, Kurume University School of Medicine, Kurume, JapanCorrespondence: Tomotaka Kawayama, Division of Respirology, Neurology, and Rheumatology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan, Tel +81-0942-31-7560, Email kawayama_tomotaka@med.kurume-u.ac.jpPurpose: The efficacy and safety of first-line triple and dual therapy remain unclear because the stepwise strategy is a worldwide standard in controller-naïve asthma. A preliminary retrospective cohort study was conducted to investigate the efficacy and safety of first-line triple and dual therapy for managing controller-naïve and symptomatic adult patients with asthma.Patients and Methods: Patients with asthma who received first-line single-inhaler triple therapy (SITT) or dual therapy (SIDT) for at least 8 weeks were selected between December 1, 2020, and May 31, 2021, in Fujiki Medical and Surgical Clinic, Miyazaki, Japan. Data on daytime and nighttime visual analog scale (VAS) scores, lung function tests, fractional exhaled nitrogen oxide (FENO), and adverse events were compared between SITT and SIDT pre- and post-treatment.Results: The SITT significantly improved the nighttime, but not daytime, VAS scores better than the SIDT 2 weeks post-treatment (P = 0.0026), whereas SITT and SIDT significantly improved daytime and nighttime VAS scores after treatment compared to baseline. Both therapies also significantly improved lung functions and FENO post-treatment. The proportion of patients achieving complete control in the nighttime VAS scores after SITT was significantly higher than that four (P = 0.0186) and 8 weeks (P = 0.0061) after SIDT. Only patients with SITT experienced dry mouth.Conclusion: Our study demonstrated that first-line SITT and SIDT were effective, and SITT improved disease control faster than SIDT in controller-naïve and symptomatic adult patients with asthma. The first-line SITT may contribute to faster and better control levels in symptomatic patients with asthma.Keywords: adult, asthma, cohort study, corticosteroids, Japanese |
